优惠供应PARKER安全阀,各种仪表阀

、Pressure settings are externally adjustable while the valve is in operation. Eight different

spring ranges provide greater system sensitivity and enhanced performance.

2、 Captured molded seat design is blow-out and chip resistant.

3、 Manual Override option with positive stem retraction is available for pressures up to 1500

psig (103 bar). This option permits the user to relieve upstream pressure while maintaining

the predetermined cracking pressure.

4、 Color coded springs and labels indicate spring cracking range.

5、 Lock wire feature secures a given pressure setting.

Cracking Pressure

Eight springs, from 50 psig to 6000 psig in the

following ranges: 50-350 psig, 350-750 psig,

750-1500 psig, 1500-2250 psig, 2250-3000 psig,

3000-4000 psig, 4000-5000 psig, 5000-6000 psig